JOINT BASE ANDREWS, Md., - Air Force District of Washington commander Maj. Gen. James A. Jacobson, left, and Col. E. John Teichert, right, 11th Wing and Joint Base Andrews commander, interview with the Fox 5 DC team at the kick-off of the 2017 Andrews Air Show: Air and Space Expo at Joint Base Andrews, Md., Sept. 15, 2017. The three-day event was in conjunction with the Air Force’s 70th anniversary and displayed it capabilities through air power and focused on Science, Technology, Engineering and Math.